Accelerate Your JBoss Enterprise Middleware - Red Hat Summit

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Accelerate Your JBoss Enterprise Middleware –JMS Provider - HornetQJMSJMSProviderProviderHornetQHornetQ● With the introduction of EAP 5.1.2, we had two JMS providers.● The default is still JBoss Messaging, but we added HornetQ, thesuccessor to JBoss Messaging as a supported JMS provider.● HornetQ is a very high performance, and highly reliable JMSprovider.● In fact, it holds the world record SPECjms2007 result:● http://www.spec.org/jms2007/results/res2011q2/● With EAP 6, JBoss Messaging is no longer provided, and the soleJMS provider is HornetQ.● There is no longer a database backend for persistence. Instead,there is a high performance journal maintained on disk.
Accelerate Your JBoss Enterprise Middleware –JMS Provider - HornetQJMSJMSProviderProviderHornetQHornetQ● Key configuration parameters:● journal-type● ASYNCIO, NIO● The ASYNCIO option specifies using native ASYNC I/O capabilities, plusopens the file using DIRECT I/O, which bypasses the file system buffercache.● The NIO option uses the JDK's NIO API's to write to the journal.● journal-directory● The placement of the journal files is important, as the default will be relativeto the install of the application server, and that may not be the bestperforming file system to place your persistent messages on.● Pooled connection factory:● transaction mode● Whether to use XA transactions or local transactions.● min-pool-size, max-pool-size● The session pool size.● The sizing of this depends on the number of concurrent MDB's yourapplication may be executing, and relates to the maxSession on thoseMDB's, or if you are using the JMS api directly, the number of concurrentmessages being processed.
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